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HTong1's avatar
HTong1
Icon for New Contributor rankNew Contributor
7 years ago

Why Timequest FMAX does not show altera_reserved_tck?

Hi, I am using Quartus Prime Standard 17.0.2 for Windows. The altera_reserved_tck is constrained in the .sdc file, but the FMAX in the Timequest View Report does not show the altera_reserved_tck. Is ...
sstrell's avatar
sstrell
Icon for Super Contributor rankSuper Contributor
7 years ago

altera_reserved_tck is the JTAG clock. For some reason, in recent versions of the software, you have to constrain otherwise it shows up as an unconstrained clock (not that the constraint really does much since it's all fixed hardware). There's no real need to see an fmax for this.

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